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Jonathan Wansbrough Toronto Lawyer

Jonathan Wansbrough

Partner Fasken
Achieving pragmatic results for clients depends on leveraging judgment, expertise and thought leadership.
Jurisdiction British Columbia, 2015 | Ontario, 2012
Language(s) English
Office(s) Toronto


Jonathan’s litigation practice is focused on securities litigation, regulatory enforcement and director and officer liability matters. In particular, Jonathan represents issuers, investment dealers, individual registrants and other market participants in connection with securities regulatory investigations and enforcement proceedings. He frequently advises clients in regards to internal investigations, foreign corruption, as well as a range of other compliance, corporate governance and regulatory matters.

Jonathan is also regularly retained to act for clients in commercial matters, including shareholder disputes, contested transactions (including proxy contests and takeover bids) and securities class actions.

Jonathan was recently appointed to serve a three year term as a member of the Ontario Securities Commission's Securities Proceedings Advisory Committee, which provides comment and advice on a variety of policy and procedural initiatives relating to proceedings before the OSC’s administrative tribunal.

Jonathan regularly writes and presents on securities regulation and litigation topics. In 2019, Jonathan completed a secondment to one of Canada’s leading financial institutions. 



Client Work

Career & Education


  • JD Queen's University
  • B Comm (Hons) University of Ottawa

Memberships & Affiliations

  • Member, The Advocates’ Society
  • Member, Canadian Bar Association
  • Member, Ontario Bar Association
  • Member, American Bar Association


Fasken Institute



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